Home / 55,556.12-76,666.90-30,061.92

Finding the Fourth Proportional to 55,556.12, 76,666.90 and 30,061.92

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Solution

The fourth proportional to 55,556.12, 76,666.90 and 30,061.92 is: 41,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,556.12 : 76,666.90 = 30,061.92 : x
  2. Step 2: Convert to fraction form
    55,556.12/76,666.90 = 30,061.92/x
  3. Step 3: Cross multiply
    55,556.12x = 76,666.90 × 30,061.92
  4. Step 4: Simplify right side
    55,556.12x = 2,304,754,214.45
  5. Step 5: Solve for x
    x = 2,304,754,214.45/55,556.12
  6. Step 6: Final answer
    x = 41,485.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.